COLUMBIA— A former South Carolina State University trustee has asked a federal judge to drop his convictions on more than two dozen charges, including racketeering. In court documents filed last week, Jonathan Pinson said that prosecutors failed to prove the allegations against him and that U.S. District Judge David Norton made mistakes at trial. Pinson’s lawyers said their client was convicted July 3 on 29 counts of racketeering, kickbacks, money laundering and other offenses in four schemes but was acquitted on other counts that involved similar evidence. read more